Campbell, John Reservoir

SILVIES RIVER, TRIB TO· Harney, Oregon· Built 1965· Earth· 23 ft tall
Low Hazard Irrigation Private

Key Takeaway

Campbell, John Reservoir is classified as low hazard in Oregon. It was completed in 1965 and is 61 years old. Its primary use is irrigation.

Physical Details

Dam Height 23 ft (taller than 39.8% in OR)
Dam Length1,320 ft
Dam TypeEarth
Max Storage310 acre-ft
Normal Storage310 acre-ft
Surface Area84 acres
Drainage Area4 sq mi
Max Discharge600 cfs
Year Completed1965 (61 years old)
NID IDOR00424

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: March 27, 2015
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

MIKE & SALLY PEILA, HINES 97738

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Campbell, John Reservoir?

Campbell, John Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Campbell, John Reservoir?

Campbell, John Reservoir is owned by MIKE & SALLY PEILA, HINES 97738 (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Campbell, John Reservoir built?

Campbell, John Reservoir was completed in 1965, making it 61 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Campbell, John Reservoir?

Campbell, John Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Campbell, John Reservoir?

Campbell, John Reservoir has a dam height of 23 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Campbell, John Reservoir last inspected?

Campbell, John Reservoir was last inspected on March 27, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.